13571120 has 20 divisors (see below), whose sum is σ = 31553040. Its totient is φ = 5428416.

The previous prime is 13571113. The next prime is 13571141. The reversal of 13571120 is 2117531.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 13571092 and 13571101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84740 + ... + 84899.

It is an arithmetic number, because the mean of its divisors is an integer number (1577652).

Almost surely, 2^13571120 is an apocalyptic number.

13571120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13571120 is an abundant number, since it is smaller than the sum of its proper divisors (17981920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13571120 is a wasteful number, since it uses less digits than its factorization.

13571120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169652 (or 169646 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 13571120 is about 3683.9001072233. The cubic root of 13571120 is about 238.5275588698.

Adding to 13571120 its reverse (2117531), we get a palindrome (15688651).

The spelling of 13571120 in words is "thirteen million, five hundred seventy-one thousand, one hundred twenty".